package org.qqcui.designpattern.patterns.facade;

/**
 * 投影仪
 *
 * @author cuiqingqiang
 * @version 1.0
 * @date 2022/4/29 16:20
 **/
public class Projector {

    private static final Projector instance = new Projector();

    public static Projector getInstance() {
        return instance;
    }

    public void on() {
        System.out.println("Projector is on");
    }

    public void off() {
        System.out.println("projector is off");
    }
}
